Q. The speed of light in vacuum is:

  • (A) 3 × 10⁶ m/s
  • (B) 3 × 10⁷ m/s
  • (C) 3 × 10⁸ m/s
  • (D) 3 × 10⁹ m/s
✅ Correct Answer: (C) 3 × 10⁸ m/s
Explanation: The speed of light in vacuum is approximately 3 × 10⁸ m/s.

Published by Jyoti ⭐ 1.79K Points at 15-Jun-2026 01:37 pm in Physics

Explanation by: Jyoti
The speed of light in vacuum is approximately 3 × 10⁸ m/s.

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